027
FNUS74 KMOB 121935
FWSMOB
SPOT FORECAST FOR DESOTO BB 8301 KNOB CREEK...USFS
NATIONAL WEATHER SERVICE MOBILE AL
235 PM CDT FRI JUN 12 2026
FORECAST IS BASED ON IGNITION TIME OF 0800 CDT ON JUNE 13.
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER
SERVICE.
DISCUSSION
ISOLATED SHOWERS AND STORMS ARE POSSIBLE ON SATURDAY.
THE MINIMUM RELATIVE HUMIDITY IS NEAR 50%, TRANSPORT WINDS WILL BE
NORTHWESTERLY TO WESTERLY DURING THE MORNING HOURS, BECOMING MORE
WESTERLY TO SOUTHWESTERLY BY THE AFTERNOON HOURS, AND DISPERSION
VALUES WILL BE FAIR (AROUND 35-40). FOR SUNDAY, ISOLATED TO
SCATTERED SHOWERS AND STORMS WILL BE POSSIBLE, THE MINIMUM
RELATIVE HUMIDITY IS NEAR 50%, 20 FT WIND GUSTS WILL BE UP TO
NEAR 15 MPH, TRANSPORT WINDS WILL BE MOSTLY WESTERLY TO WEST-
NORTHWESTERLY, AND DISPERSION VALUES WILL BE GOOD (AROUND 70-75).
FOG POTENTIAL AND OTHER REMARKS...PATCHY FOG DEVELOPMENT CANNOT BE
RULED OUT OVER THE BURN SITE TONIGHT. DENSE FOG IS NOT EXPECTED AT
THIS TIME.
SATURDAY
SKY/WEATHER.........MOSTLY SUNNY (25-35 PERCENT). SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.
CHANCE OF PCPN......20 PERCENT.
MAX TEMPERATURE.....AROUND 96.
MIN HUMIDITY........51 PERCENT.
WIND (20 FT)........LIGHT WINDS. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS IN THE AFTERNOON.
MIXING HEIGHT.......5200 FT AGL.
MIXING HEIGHT (M)...366-1585 METERS AGL.
TRANSPORT WINDS.....WEST 5 TO 8 MPH SHIFTING TO THE SOUTHWEST
AROUND 8 MPH LATE IN THE AFTERNOON.
TRANSPORT WINDS M/S.WEST AROUND 3 METERS/SECOND SHIFTING TO THE
SOUTHWEST AROUND 4 METERS/SECOND LATE IN THE
AFTERNOON.
DISPERSION INDEX....14 INCREASING TO 35.
LVORI...............3.
STABILITY CLASS.....2.
TIME (CDT) 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........32 19 41 36 35
WEATHER COV..... S CHC S CHC
WEATHER TYPE....NONE NONE NONE RNSHWR RNSHWR
TSTM COV........ S CHC S CHC
CHC OF PCPN (%).0 0 0 20 20
TEMP............78 86 92 94 92
RH..............91 68 54 51 54
20 FT WIND DIR..W W W SW SW
20 FT WIND SPD..2 3 2 3 5
20 FT WIND GUST.7 7 6 8 10
MIX HGT (FT)....1200 2800 4400 5100 3200
MIX HGT (M).....370 850 1340 1550 980
TRANSP WIND DIR.W WNW W WSW SSW
TRANSP WIND SPD.7 6 5 6 8
TRANS WIND DIR..W WNW W WSW SSW
TRANS SPD (M/S).3 3 2 3 4
DISPERSION IDX..11 23 27 38 31
LVORI...........5 3 2 1 1
SATURDAY NIGHT
SKY/WEATHER.........MOSTLY CLEAR (10-20 PERCENT). SLIGHT CHANCE OF
SHOWERS AND THUNDERSTORMS EARLY IN THE EVENING.
CHANCE OF PCPN......20 PERCENT.
MIN TEMPERATURE.....AROUND 74.
MAX HUMIDITY........93 PERCENT.
WIND (20 FT)........LIGHT WINDS. GUSTY AND ERRATIC WINDS EXPECTED
NEAR THUNDERSTORMS EARLY IN THE EVENING.
MIXING HEIGHT.......400 FT AGL.
MIXING HEIGHT (M)...122-975 METERS AGL.
TRANSPORT WINDS.....SOUTHWEST 7 TO 9 MPH.
TRANSPORT WINDS M/S.SOUTHWEST 3 TO 4 METERS/SECOND.
DISPERSION INDEX....38 DECREASING TO 4.
LVORI...............4.
STABILITY CLASS.....4.
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM
SKY (%).........14 14 20 10 15 11
WEATHER COV.....S CHC
WEATHER TYPE....RNSHWR NONE NONE NONE NONE NONE
TSTM COV........S CHC
CHC OF PCPN (%).20 10 0 0 0 0
TEMP............91 83 79 78 76 75
RH..............58 74 82 85 87 90
20 FT WIND DIR..SW SSW SSW SW SW WSW
20 FT WIND SPD..5 3 5 3 5 5
20 FT WIND GUST.12 10 12 12 12 12
MIX HGT (FT)....3200 400 400 400 500 400
MIX HGT (M).....980 120 120 120 150 120
TRANSP WIND DIR.SW SSW SSW SW W WSW
TRANSP WIND SPD.9 9 9 8 9 8
TRANS WIND DIR..SW SSW SSW SW W WSW
TRANS SPD (M/S).4 4 4 4 4 4
DISPERSION IDX..38 4 4 4 4 3
LVORI...........1 4 4 5 5 6
SUNDAY
SKY/WEATHER.........MOSTLY SUNNY (20-30 PERCENT).
CHANCE OF PCPN......10 PERCENT.
MAX TEMPERATURE.....AROUND 95.
MIN HUMIDITY........49 PERCENT.
WIND (20 FT)........LIGHT WINDS BECOMING WEST 5 TO 6 MPH IN THE
AFTERNOON.
MIXING HEIGHT.......5400 FT AGL.
MIXING HEIGHT (M)...122-1646 METERS AGL.
TRANSPORT WINDS.....WEST 7 TO 12 MPH.
TRANSPORT WINDS M/S.WEST 3 TO 5 METERS/SECOND.
DISPERSION INDEX....6 INCREASING TO 35 LATE IN THE MORNING
INCREASING TO 73 IN THE AFTERNOON.
LVORI...............4.
STABILITY CLASS.....2.
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM
SKY (%).........8 40 20 32 34 25
WEATHER COV.....
WEATHER TYPE....NONE NONE NONE NONE NONE NONE
TSTM COV........
CHC OF PCPN (%).0 0 0 0 10 10
TEMP............74 77 85 90 93 94
RH..............93 88 67 56 51 49
20 FT WIND DIR..WSW W W W W WSW
20 FT WIND SPD..3 3 5 6 6 7
20 FT WIND GUST.10 10 12 13 14 15
MIX HGT (FT)....400 1400 2700 4500 5100 4500
MIX HGT (M).....120 430 820 1370 1550 1370
TRANSP WIND DIR.W WNW W W W W
TRANSP WIND SPD.7 8 10 12 12 12
TRANS WIND DIR..W WNW W W W W
TRANS SPD (M/S).3 4 4 5 5 5
DISPERSION IDX..3 15 34 64 73 64
LVORI...........6 4 3 1 1 1
FORECASTER...96
REQUESTED BY...JODY ROGERS
TYPE OF REQUEST...PRESCRIBED
.TAG 2615418.0/MOB
.DELDT 06/12/26
.FORMATTERVERSION 2.0.0
.EMAIL JOSEPH.ROGERS@USDA.GOV
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